One important kind of sleep, called slow wave sleep, gets shorter as people age.
That drug appears similar to Ambien, Estorra and indiplon, but it also increases the deep slow wave of sleep.
Their study shows that as young people grow older they spend less of their sleeping time in slow wave or deep sleep.
But some epilepsy medicines, including Neurontin from Pfizer and Gabitril from Cephalon (nasdaq: CEPH - news - people ), may also help slow wave sleep.
It is the movement of potassium (and also sodium) ions that causes the electrical impulses that nerve cells carry including the impulses found in slow-wave sleep.
It will not create any jobs, raise any wages, reduce the crushing debts of the middle class, slow the wave of foreclosures, conserve energy or reduce the price of gas.
First the team showed that they could use the state of a region of the brain, called the medial prefronal cortex, to predict how much deep, or slow-wave, sleep a person would have.
In earlier experiments, designed to replicate normal learning, Dr Tononi found that the part of the brain showing most slow-wave activity during sleep was the same as the part that had been activated during the experiment.
Environment groups who have long bemoaned the slow pace of development on wave and tidal power endorsed the committee's recommendations.
"We can slow down or even roll back the wave of data breach events that now dominate the headlines, " said Mr Rowney.
The news is bad for Eli Lilly, too, as it is already struggling with slow sales on newer products and a wave of patent experations that has been worsened by recent losses against generic drug makers in court.
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